Low Oil Pressure Alert; Water Separator Alert - Yamaha F150D Owner's Manual

Engine control system
system has activated, stop the engine and tilt
the outboard motor up to check the cooling
water inlet for clogging. If the alert system has
still activated, tilt the overheated outboard
motor up and return to the port.
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Low oil pressure alert

If the oil pressure drops too low, the alert de-
vice will activate.
 The engine speed will automatically de-
crease to about 2000–3500 r/min.
 The low oil pressure-alert indicator will light
or blink.
 The pop-up window will appear on the
Multi-Display.
 The buzzer will sound.
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If the alert device has activated, stop the en-
gine as soon as it is safe to do so. Check the
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oil level and add oil as needed. If the oil level
is correct and the alert device does not
switch off, consult your Yamaha dealer.
Twin engine drive users:
If the low oil pressure alert system of one en-
gine activates, both engines will slow down
and the buzzer will sound. To switch off the
alert activation on the engine not affected by
low oil pressure, turn off the main switch of
the engine with the low oil pressure.
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Water separator alert

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The outboard motor is equipped with a water
separator alert system. If water separated
from the fuel exceeds a specific volume, the
alert system will activate.
 The water separator-alert indicator will
come on or blink.
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